[elpa] externals/org d542ef7: Merge branch 'bugfix'

[ELPA Syncer]

branch: externals/org
commit d542ef7ed622c582200395a3769df2f104609455
Merge: c0c576b 98b34ea
Author: Bastien <bzg@gnu.org>
Commit: Bastien <bzg@gnu.org>

    Merge branch 'bugfix'
---
 lisp/ol-man.el | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)

diff --git a/lisp/ol-man.el b/lisp/ol-man.el
new file mode 100644
index 0000000..670cc5a
--- /dev/null
+++ b/lisp/ol-man.el
@@ -0,0 +1,86 @@
+;;; ol-man.el --- Links to man pages
+;;
+;; Author: Carsten Dominik <carsten.dominik@gmail.com>
+;; Maintainer: Bastien Guerry <bzg@gnu.org>
+;; Keywords: outlines, hypermedia, calendar, wp
+;; Homepage: https://orgmode.org
+;; Version: 1.0
+;;
+;; This file is part of GNU Emacs.
+;;
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 3, or (at your option)
+;; any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;
+;;; Commentary:
+
+(require 'ol)
+
+(org-link-set-parameters "man"
+                        :follow #'org-man-open
+                        :export #'org-man-export
+                        :store #'org-man-store-link)
+
+(defcustom org-man-command 'man
+  "The Emacs command to be used to display a man page."
+  :group 'org-link
+  :type '(choice (const man) (const woman)))
+
+(defun org-man-open (path _)
+  "Visit the manpage on PATH.
+PATH should be a topic that can be thrown at the man command.
+If PATH contains extra ::STRING which will use `occur' to search
+matched strings in man buffer."
+  (string-match "\\(.*?\\)\\(?:::\\(.*\\)\\)?$" path)
+  (let* ((command (match-string 1 path))
+        (search (match-string 2 path)))
+    (funcall org-man-command command)
+    (when search
+      (with-current-buffer (concat "*Man " command "*")
+       (goto-char (point-min))
+       (search-forward search)))))
+
+(defun org-man-store-link ()
+  "Store a link to a README file."
+  (when (memq major-mode '(Man-mode woman-mode))
+    ;; This is a man page, we do make this link
+    (let* ((page (org-man-get-page-name))
+           (link (concat "man:" page))
+           (description (format "Manpage for %s" page)))
+      (org-link-store-props
+       :type "man"
+       :link link
+       :description description))))
+
+(defun org-man-get-page-name ()
+  "Extract the page name from the buffer name."
+  ;; This works for both `Man-mode' and `woman-mode'.
+  (if (string-match " \\(\\S-+\\)\\*" (buffer-name))
+      (match-string 1 (buffer-name))
+    (error "Cannot create link to this man page")))
+
+(defun org-man-export (link description format)
+  "Export a man page link from Org files."
+  (let ((path (format "http://man.he.net/?topic=%s&section=all"; link))
+       (desc (or description link)))
+    (cond
+     ((eq format 'html) (format "<a target=\"_blank\" href=\"%s\">%s</a>" path 
desc))
+     ((eq format 'latex) (format "\\href{%s}{%s}" path desc))
+     ((eq format 'texinfo) (format "@uref{%s,%s}" path desc))
+     ((eq format 'ascii) (format "%s (%s)" desc path))
+     ((eq format 'md) (format "[%s](%s)" desc path))
+     (t path))))
+
+(provide 'ol-man)
+
+;;; ol-man.el ends here